CN204810650U - Human infrared induction book case LED lamp of adjusting luminance - Google Patents

Human infrared induction book case LED lamp of adjusting luminance Download PDF

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Publication number
CN204810650U
CN204810650U CN201520677563.4U CN201520677563U CN204810650U CN 204810650 U CN204810650 U CN 204810650U CN 201520677563 U CN201520677563 U CN 201520677563U CN 204810650 U CN204810650 U CN 204810650U
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CN
China
Prior art keywords
chip
light
output
human body
light modulation
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Expired - Fee Related
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CN201520677563.4U
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Chinese (zh)
Inventor
阮树成
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Individual
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Individual
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Priority to CN201520677563.4U priority Critical patent/CN204810650U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The utility model relates to an electric light source technique specifically is a human infrared induction book case LED lamp of adjusting luminance. Including lamps and lanterns, power adapter, the steady voltage chip, human infrared sensor, light -off delay circuit, the normally open contact of the rela, transfer optical pulse generator, the pulse PWM driver chip that adjusts luminance, emitting diode LED, wherein, human infrared sensor output meets light -off delay circuit, electrical apparatus is succeeded in the output of light -off delay circuit, power adapter output connects relay contact points one end, another termination steady voltage of relay contact points chip input end, the output of steady voltage chip connects transfers the optical pulse generator power end, it makes and to hold to transfer optical pulse generator output to connect pulse PWM to adjust luminance driver chip, pulse PWM adjusts luminance driver chip output and meets emitting diode LED, and place lamps and lanterns in. The utility model is suitable for a book or books in stock illumination are looked for to the book case, and the nearly book case lamp of people is bright, and the people is from turning off the light labour saving and time saving.

Description

Human body infrared induction bookcase dimming LED lamp
Technical field
The utility model relates to electric light source technology, specifically a kind of human body infrared induction bookcase dimming LED lamp.
Background technology
The book jampacked deposited when bookcase is real, and find and treat that Book-keeping book is wasted time and energy, the torch for illumination when insufficient light, and brightness there is not dimming function, light crosses excessively weak identification label and the title of affecting one's power of vision by force.
Summary of the invention
The purpose of this utility model is to provide bookcase illuminating lamp, and the nearly Book cabinet lamp of people is lighted, and looks for book or books in stock, and people leaves a kind of human body infrared induction bookcase dimming LED lamp that bookcase time delay is turned off the light automatically.
Technical solution of the present utility model: comprise light fixture, power supply adaptor, voltage stabilizing chip, infrared sensor of the human body, light-off delay circuit, relay, dimmer pulse generator, pulse PWM light modulation driving chip, LED, wherein, infrared sensor of the human body exports and connects light-off delay circuit, light-off delay circuit exports and connects relay, one end, power supply adaptor output dc voltage contact relay contact and infrared sensor of the human body power end, light-off delay circuit power end, the input of another termination voltage stabilizing chip of relay contact and pulse PWM light modulation driving chip power end, voltage stabilizing chip output connects dimmer pulse generator power end, dimmer pulse generator output end meets pulse PWM light modulation driving chip Enable Pin CE, pulse PWM light modulation driving chip output LX is through inductance L 1shunt capacitance C 7with LED anode, the Schottky diode D of pulse PWM light modulation driving chip output LX also earth 1, LED negative electrode meets electric capacity C 7with sampling resistor R 3connect pulse PWM light modulation driving chip error simultaneously and amplify FB end, the GND of voltage stabilizing chip, dimmer pulse generator, pulse PWM light modulation driving chip holds ground connection, LED is placed in light fixture, infrared sensor of the human body and dimming driving circuit plate are placed near bookcase, light-emitting diode (LED) lamp is arranged on bookcase illumination, and power supply adaptor input meets AC power AC220V.
Light-off delay circuit by time base chip IC 4, resistance R 7, potentiometer RP 2, electric capacity C 8the timing of composition monostable flipflop, infrared sensor of the human body exports and connects base chip IC when triode VT triggers 4input, time base chip IC 4output contact relay.
Dimmer pulse generator by time base chip IC 2, resistance R 1, R 2, potentiometer RP 1, electric capacity C 1, C 2composition, resistance R 1, potentiometer RP 1, resistance R 2, electric capacity C 1connect successively, resistance R 1base chip IC when connecing 2power end, potentiometer RP 1, resistance R 2base chip IC when contact connects 2dIS end, potentiometer RP 1, electric capacity C 1base chip IC when contact connects 2comparator input terminal, electric capacity C 1, C 2ground connection, dimmer pulse generator exports and connects pulse PWM light modulation driving chip Enable Pin, regulator potentiometer RP 1change pulse frequency and duty ratio, cause LED average current to change and reach light modulation.
The utility model produces useful good effect: people walks close to bookcase illumination lamp ignition, treats Book-keeping book or deposit books for searching, automatically turns off the light after people leaves away, time saving and energy saving.Potentiometer RP 1stepless dimming LED lamp, potentiometer RP 2regulate time of turning off the light, easy to use.
Accompanying drawing explanation
Fig. 1 the utility model theory diagram
Fig. 2 human body infrared induction bookcase dimming LED lamp circuit
Embodiment
With reference to Fig. 1, Fig. 2, the utility model embodiment and embodiment: comprise light fixture, power supply adaptor 4, voltage stabilizing chip 5, infrared sensor of the human body 1, light-off delay circuit 2, relay K 3, dimmer pulse generator 6, pulse PWM light modulation driving chip 7, LED 8, wherein, infrared sensor of the human body 1 exports and connects light-off delay circuit 2, light-off delay circuit 2 exports and connects relay K 3, power supply adaptor 4 output dc voltage contact relay contact K -1one end and infrared sensor of the human body 1 power end, light-off delay circuit 2 power end, relay contact K -1the input of another termination voltage stabilizing chip 5 and pulse PWM light modulation driving chip 7 power end, voltage stabilizing chip 5 exports termination dimmer pulse generator 6 power end, dimmer pulse generator 6 pulse output end OUT meets pulse PWM light modulation driving chip 7 Enable Pin CE, and pulse PWM light modulation driving chip 7 output LX is through inductance L 1shunt capacitance C 7with LED 8 anode, the Schottky diode D of pulse PWM light modulation driving chip 7 output LX also earth 1, LED 8 negative electrode meets electric capacity C 7with sampling resistor R 3connect pulse PWM light modulation driving chip 7 error simultaneously and amplify FB end, the GND of voltage stabilizing chip 5, dimmer pulse generator 6, pulse PWM light modulation driving chip 7 holds ground connection, LED 8 is placed in light fixture, infrared sensor of the human body 1 and dimming driving circuit plate are arranged near bookcase, LED 8 lamp installation is thrown light at bookcase, and power supply adaptor 4 input meets AC power AC220V.
Embodiment infrared sensor of the human body model AMNI, built-in infrared window optical filtering, senser, amplifier, comparator, output Shaping and voltage stabilizing, it is small and exquisite easy for installation that TO-5 encapsulates the bodily form, operating distance 1.5 meters, base chip IC during dimmer pulse generator 2with base chip IC during light-off delay circuit 4model 555, voltage stabilizing chip model 7806, pulse PWM light modulation driving chip IC 3model PT4105, driving power 2W bookcase dimming LED lamp.
When people walks close to bookcase, infrared sensor of the human body induction output voltage, base chip IC when triode VT triggers light-off delay circuit 4set, relay K adhesive, relay contact K -1connect voltage stabilizing chip power, dimmer pulse generator, pulse PWM light modulation driving chip drive LED automatically to light, light-off delay circuit supply voltage V simultaneously dDthrough resistance R 7, potentiometer RP 2to electric capacity C 8charging, people leaves away bookcase electric capacity C 8electric discharge, time base chip IC 4upset, relay contact K -1release, dimmer pulse generator, pulse PWM light modulation driving chip have a power failure, and LED extinguishes, time saving and energy saving.

Claims (3)

1. a human body infrared induction bookcase dimming LED lamp, comprise light fixture, it is characterized in that: also comprise power supply adaptor, voltage stabilizing chip, infrared sensor of the human body, light-off delay circuit, relay, dimmer pulse generator, pulse PWM light modulation driving chip, LED, wherein, infrared sensor of the human body exports and connects light-off delay circuit, light-off delay circuit exports and connects relay, one end, power supply adaptor output dc voltage contact relay contact and infrared sensor of the human body power end, light-off delay circuit power end, the input of another termination voltage stabilizing chip of relay contact and pulse PWM light modulation driving chip power end, voltage stabilizing chip output connects dimmer pulse generator power end, dimmer pulse generator output end meets pulse PWM light modulation driving chip Enable Pin CE, pulse PWM light modulation driving chip output LX is through inductance L 1shunt capacitance C 7with LED anode, the Schottky diode D of pulse PWM light modulation driving chip output LX also earth 1, LED negative electrode meets electric capacity C 7with sampling resistor R 3connect pulse PWM light modulation driving chip error simultaneously and amplify FB end, the GND of voltage stabilizing chip, dimmer pulse generator, pulse PWM light modulation driving chip holds ground connection, LED is placed in light fixture, infrared sensor of the human body and dimming driving circuit plate are placed near bookcase, light-emitting diode (LED) lamp is arranged on bookcase illumination, and power supply adaptor input meets AC power AC220V.
2. human body infrared according to claim 1 induction bookcase dimming LED lamp, is characterized in that: light-off delay circuit by time base chip IC 4, resistance R 7, potentiometer RP 2, electric capacity C 8the timing of composition monostable flipflop, infrared sensor of the human body exports and connects base chip IC when triode VT triggers 4input, time base chip IC 4output contact relay.
3. human body infrared according to claim 1 induction bookcase dimming LED lamp, is characterized in that: dimmer pulse generator by time base chip IC 2, resistance R 1, R 2, potentiometer RP 1, electric capacity C 1, C 2composition, resistance R 1, potentiometer RP 1, resistance R 2, electric capacity C 1connect successively, resistance R 1base chip IC when connecing 2power end, potentiometer RP 1, resistance R 2base chip IC when contact connects 2dIS end, potentiometer RP 1, electric capacity C 1base chip IC when contact connects 2comparator input terminal, electric capacity C 1, C 2ground connection, dimmer pulse generator exports and connects pulse PWM light modulation driving chip Enable Pin, regulator potentiometer RP 1change pulse frequency and duty ratio, cause LED average current to change and reach light modulation.
CN201520677563.4U 2015-08-25 2015-08-25 Human infrared induction book case LED lamp of adjusting luminance Expired - Fee Related CN204810650U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520677563.4U CN204810650U (en) 2015-08-25 2015-08-25 Human infrared induction book case LED lamp of adjusting luminance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520677563.4U CN204810650U (en) 2015-08-25 2015-08-25 Human infrared induction book case LED lamp of adjusting luminance

Publications (1)

Publication Number Publication Date
CN204810650U true CN204810650U (en) 2015-11-25

Family

ID=54595393

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520677563.4U Expired - Fee Related CN204810650U (en) 2015-08-25 2015-08-25 Human infrared induction book case LED lamp of adjusting luminance

Country Status (1)

Country Link
CN (1) CN204810650U (en)

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151125

Termination date: 20160825

CF01 Termination of patent right due to non-payment of annual fee